An information architecture for openchoice
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An Information Architecture for OpenChoice. Prentiss Riddle INF 385E 12/7/2006. What is OpenChoice?. Web filtering software A noncommercial alternative for schools and libraries to comply with CIPA, the Children’s Internet Protection Act of 2003

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An information architecture for openchoice

An Information Architecture for OpenChoice

Prentiss Riddle

INF 385E

12/7/2006


What is openchoice

What is OpenChoice?

  • Web filtering software

  • A noncommercial alternative for schools and libraries to comply with CIPA, the Children’s Internet Protection Act of 2003

  • An open-source development project based here at the iSchool

  • A mix of automatic classification and collaborative filtering techniques: both bots and humans


Design goals

Design goals

I assume that OpenChoice is to be:

  • Transparent

    • Reveals why a site is blocked

  • Accountable

    • Allows the public to challenge a rating

  • Participatory

    • Allows the public to help rate sites

  • Resistant to abuse

    These last two goals are in tension...


Participation invites abuse

Participation invites abuse

There are strong political and financial motivations to game the system

  • Over 99% of FCC indecency complaints in 2003 came from one group, the Parents Television Council

  • Porn and gambling sites are heavily associated with spam

    This imposes a major design constraint:

    Raters must not be able to choose what to rate


Categories of users

Categories of Users

  • End users at organizations using OpenChoice (students, library patrons)

  • Administrators at those organizations

  • Owners of blocked sites

  • Raters


The site

The site

http://www.prentissriddle.com/oc

http://sentra.ischool.utexas.edu/~riddle/oc


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